Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1984-05-03
1985-11-12
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
544357, 564478, 564480, 260939, 260959, C07D29512, C07D40312, C07D40314, C07C 8506
Patent
active
045529612
ABSTRACT:
Predominantly linearly extended polyalkylene polyamines are produced, in increased conversion rates, by reacting alkylenediamines with alkylene glycols or alkanolamines using a phosphorus amide catalyst in place of phosphorus acid or acid derivative catalysts.
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Balmer Norman L.
Daus Donald G.
Teoli, Jr. William A.
Union Carbide Corporation
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